Decatur, AL
Full City Profile · Alabama · Morgan County County
3.1
/5.0
B
Good
57,760
Population
1,058/sq mi density
$59,831
Median Income
$33,925 per capita
$190,500
Home Value
$223,248 Zillow
$861
Median Rent
27.7% income on rent
61°F
Avg Temperature
610
Violent Crime/100K
2,522 property/100K
B
Overall
3.1 / 5.0
Good overall score based on economy, affordability, safety and education
B+
Economy
3.5 / 5.0
$59,831 median income, 5.0% unemployment
A+
Affordability
4.9 / 5.0
$190,500 home value, $861/mo rent
F
Safety
1.0 / 5.0
610 violent crimes/100K (61% above avg)
C+
Education
2.8 / 5.0
22.8% bachelor's degree or higher
Decatur enjoys a temperate climate with an average annual temperature of 61°F (16°C). Winters average 41°F in January while summers reach 80°F in July. Annual precipitation totals 49.5 inches. The area receives 2.4 inches of snow annually. Air quality is rated Good with a median AQI of 44.
Temperature
41°F Jan (5°C)
80°F Jul (27°C)
| Annual Average | 61.4°F |
| 14% above US avg | |
| January Average | 41°F (5°C) |
| July Average | 80°F (27°C) |
Geography
| Elevation | 594 ft (181 m) |
| Area | 54.6 sq mi (141.4 km²) |
| Population Density | 1,058/sq mi |
| Coordinates | 34.5730°N, 86.9899°W |
| Timezone | America/Chicago |
| County | Morgan County County |
| Nearest Airport | Pryor Field Regional (DCU) 6 miles away |
Precipitation & Snow
Air Quality
| AQI Median | 44.0 |
| Rating | Good |
| Good Days % | 72.1% |
| Unhealthy Days | 0 |
Air Pollutants (EPA 2023)
| Ozone (O₃) | 0.0460 ppm |
| PM2.5 (Fine Particles) | 7.1 μg/m³ |
Natural Hazard Risk
| Overall Risk | Relatively Moderate |
| Risk Score | 88.8 / 100 |
| Social Vulnerability | 60.9 / 100 |
| Community Resilience | 47.9 / 100 |
Hazard Breakdown
| Tornado | Relatively High |
| Hurricane | Relatively Low |
| Earthquake | Relatively Moderate |
| Wildfire | Very Low |
| Flood | Relatively Moderate |
| Hail | Relatively Low |
| Strong Wind | Relatively High |
| Heat Wave | Relatively Moderate |
| Winter Weather | Relatively Moderate |
| Lightning | Relatively High |
| Ice Storm | Relatively Moderate |
| Drought | Relatively Low |
| Cold Wave | Relatively Moderate |
| Landslide | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 41°F (5°C) | 4.6 in | Coldest |
| February | 45°F (7°C) | 5.0 in | |
| March | 53°F (12°C) | 5.0 in | |
| April | 62°F (16°C) | 4.5 in | |
| May | 70°F (21°C) | 4.2 in | |
| June | 77°F (25°C) | 3.7 in | |
| July | 80°F (27°C) | 4.0 in | Warmest |
| August | 79°F (26°C) | 3.1 in | Driest |
| September | 73°F (23°C) | 3.2 in | |
| October | 62°F (17°C) | 3.2 in | |
| November | 51°F (10°C) | 4.0 in | |
| December | 44°F (7°C) | 5.2 in | Wettest |
Decatur has a seasonal temperature swing of 38°F / from 41°F in January to 80°F in July. Total annual precipitation is 49.5 inches, with December being the wettest month (5.2") and August the driest (3.1").